Smith Squad MTB Goggles Semenuk Id/Red Sol X Mirror, One Size Lens: vented cylindrical carbonic-x Interchangeable Lens: spare lens with select variants Technical Features: In-Lens Tear Offs Posts, Sweat-X F.A.T. 3-layer face foam, open ventilation paths, anti-fog treatment Face Size: medium Strap: ultra-wide, silicone backed